How do fats and enzymes in the brain contribute to multiple sclerosis? In his PhD research, Daan van der Vliet combined chemistry and neuroscience to gain new insights into how brain disorders develop.

What rules should regulate AI, who should make them, and how will they be enforced in the digital arena?

The speed at which science is changing our lives gives rise to tensions and concerns. In his talk at Leiden University, Minister Robbert Dijkgraaf (Education, Culture and Science) said we should talk more about science’s relationship with society and political decision-making.

Pita Limjaroenrat (45) was set to become Thailand’s next prime minister, but in 2024 the Thai Constitutional Court dissolved his progressive Move Forward Party and banned him from politics. He now reflects publicly on the policy values that brought the party to prominence.

Leiden University will not enter into any new research partnerships with companies in the fossil fuel industry that are not intensively and demonstrably committed to achieving the goals of the Paris Agreement. Current projects can, however, be completed.

The democratic rule of law is under pressure due to a series of scandals and integrity issues, as seen in the recent parliamentary inquiries. Professor Ronald Kroeze explains: 'Public office holders are expected to show complete dedication, but that norm is quite absolute, and what we mean by it is…

Alumnus Robert van Asten has been an MP for D66 since 2025. He studied Tax Law at Leiden University from 1997 to 2005. After a career in that field, he switched to local politics and later national politics.

Changes to halt further biodiversity loss are more urgent than ever and feasible, says IPBES, the United Nations biodiversity panel. In two reports released this week, the panel calls on governments worldwide to develop coherent policies that address biodiversity, climate change, water, food and health.…

In academia, the mention of Wikipedia might be met with suspicion. However, for Tsolin Nalbantian, university lecturer Modern Middle Eastern Studies, the encyclopedia is an opportunity to broaden the skills of her students and to increase public knowledge. She received a Teaching Comenius Fellowship…

After almost a year of working from home during this Covid pandemic, Scientific Director Paul Nieuwenburg conveys how the Institute of Political Science is sailing through waves and lockdowns: from transformation to bi location to 'non location', from teaching on the beach to teaching to 'black cubes'…

When hobby divers revisited a nearly 400-year-old shipwreck off the coast of Texel, they discovered more than 1,000 objects in wooden boxes. Eight years later, postdoc Janet Dickinson used recovered books to compile a profile of the mysterious owner.

Read here about the various agreements in place at Leiden University for student and study associations and other student organisations.

Bachelor, Master

Do you want to request a change to the academic requirements set by your bachelor's or master's programme? Perhaps you want to be exempted from a particular course, because you think you have already acquired the knowledge elsewhere. Or do you want academic credits earned at another institution to be…

Do you want to request a change to the academic requirements set by your bachelor's or master's programme? Perhaps you want to be exempted from a particular course, because you think you have already acquired the knowledge elsewhere. Or do you want academic credits earned at another institution to be…

Bachelor, Master

Preparations

To arrange before departure

Some bachelor's programmes help you monitor your own academic progress by assisting you in drawing up a study plan at the end of your first year.

Preparations

What are the costs involved in studying abroad and how can you finance your stay? Avoid unexpected expenses by researching financial matters thoroughly in advance.

In addition to compulsory elements, most degree programmes also have elective credits. These are credits you can earn in a variety of ways, for example by taking elective courses, studying abroad or doing a minor.

Preparations

Preparations

Preparations

Study abroad: when?

Study information

Study abroad independently is an option if you want to go to a destination that doesn’t have an exchange agreement with Leiden University, or if you missed out on an exchange place.

Study abroad independently is an option if you want to go to a destination that doesn’t have an exchange agreement with Leiden University, or if you missed out on an exchange place.

Study information

As a student residence permit holder, you have a number of obligations.

To arrange before departure

Preparations

Preparations

Find out about the procedures for extending your stay as a student residence permit holder.

Master

Do you want to request a change to the academic requirements set by your bachelor's or master's programme? Perhaps you want to be exempted from a particular course, because you think you have already acquired the knowledge elsewhere. Or do you want academic credits earned at another institution to be…

Approval and application

You're about to graduate. That means there’s a lot to be arranged. The university expects you to take certain steps, as does your faculty and/or institute. Your faculty has various regulations and procedures in place that you need to follow carefully when arranging your graduation.

Bachelor, Master

Learn how your organisation board can request funding for projects and activities.

The Pre-PhD Programme takes place in the second semester (February-July) and consists of two tracks.

Course and exam enrolment

Preparations

internship, research project, fieldwork, summer school, conference, excursion, field trip, thesis

To arrange before departure

To arrange before departure